Finding the Fourth Proportional to 894,023.76, 1,233,754.20 and 486,125.28
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Solution
The fourth proportional to 894,023.76, 1,233,754.20 and 486,125.28 is: 670,853.65
Step by Step Solution
- Step 1: Write the proportion equation
894,023.76 : 1,233,754.20 = 486,125.28 : x - Step 2: Convert to fraction form
894,023.76/1,233,754.20 = 486,125.28/x - Step 3: Cross multiply
894,023.76x = 1,233,754.20 × 486,125.28 - Step 4: Simplify right side
894,023.76x = 599,759,105,926.18 - Step 5: Solve for x
x = 599,759,105,926.18/894,023.76 - Step 6: Final answer
x = 670,853.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.